<!DOCTYPE html><html><head>
    <meta charset="utf-8" /><title></title>
    <style type="text/css">
    #p1{color:gray;}#p2{color:orange;}#p3{color:red;}</style></head><body>
    <p id="p1">字体颜色为灰色</p ><p id="p2">字体颜色为橙色</p ><p id="p3">字体颜色为红色</p ></body></html>